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Alignment of solid targets under extreme tight focus conditions generated by an ellipsoidal plasma mirror

  • Deepak Kumar
  • , Michal Šmíd
  • , Sushil Singh
  • , Alexander Soloviev
  • , Hannes Bohlin
  • , Konstantin Burdonov
  • , Gashaw Fente
  • , Alexander Kotov
  • , Livia Lancia
  • , Vit Lédl
  • , Sergey Makarov
  • , Michael Morrissey
  • , Sergey Perevalov
  • , Denis Romanovsky
  • , Sergey Pikuz
  • , Ryousuke Kodama
  • , David Neely
  • , Paul McKenna
  • , Tomáš Laštovička
  • , Mikhail Starodubtsev
  • Stefan Weber, Motoaki Nakatsutsumi, Julien Fuchs
  • of Sciences
  • Institute of Radiooncology - OncoRay
  • Institute of Applied Physics of the Russian Academy of Sciences
  • Université Paris-Saclay
  • Institute of Plasma Physics AS CR
  • Joint Institute for High Temperatures of the Russian Academy of Sciences
  • Osaka University
  • Central Laser Facility
  • University of Strathclyde
  • European XFEL GmbH

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

The design of ellipsoidal plasma mirrors (EPMs) for the PEARL laser facility is presented. The EPMs achieve a magnification of 0.32 in focal spot size, and the corresponding increase in focused intensity is expected to be about 8. Designing and implementing such focusing optics for short-pulse (<100 fs) systems paves the way for their use in future high-power facilities, where they can be used to achieve intensities beyond 1023 W/cm2. A retro-imaging-based target alignment system is also described, which is used to align solid targets at the output of the ellispoidal mirrors (with a numerical aperture of 0.75 in this case).

Original languageEnglish
Article number024402
JournalMatter and Radiation at Extremes
Volume4
Issue number2
DOIs
Publication statusPublished - 1 Mar 2019
Externally publishedYes

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